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<?php
/**
* Joomla! Content Management System
*
* @copyright (C) 2023 Open Source Matters, Inc. <https://www.joomla.org>
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
namespace Joomla\CMS\Captcha;
use Joomla\CMS\Form\FormField;
/**
* Captcha Provider Interface
*
* @since 5.0.0
*/
interface CaptchaProviderInterface
{
/**
* Return Captcha name, CMD string.
*
* @return string
* @since 5.0.0
*/
public function getName(): string;
/**
* Gets the challenge HTML
*
* @param string $name Input name
* @param array $attributes The class of the field
*
* @return string The HTML to be embedded in the form
*
* @since 5.0.0
*
* @throws \RuntimeException
*/
public function display(string $name = '', array $attributes = []): string;
/**
* Calls an HTTP POST function to verify if the user's guess was correct.
*
* @param string $code Answer provided by user
*
* @return bool If the answer is correct, false otherwise
*
* @since 5.0.0
*
* @throws \RuntimeException
*/
public function checkAnswer(string $code = null): bool;
/**
* Method to react on the setup of a captcha field. Gives the possibility
* to change the field and/or the XML element for the field.
*
* @param FormField $field Captcha field instance
* @param \SimpleXMLElement $element XML form definition
*
* @return void
*
* @since 5.0.0
*
* @throws \RuntimeException
*/
public function setupField(FormField $field, \SimpleXMLElement $element): void;
}